Part 1Read the text and answer questions 1–13. The impact of climate change on butterflies in Britain According to conservationists, populations of around two thirds of butterfly species have declined in Britain over the past 40 years. If this trend continues, it might have unpredictable knock-on effects for other species in the ecosystem. Butterfly eggs…
Part 1Read the text and answer questions 1–13. Urban farming In Paris, urban farmers are trying a soil-free approach to agriculture that uses less space and fewer resources. Could it help cities face the threats to our food supplies? On top of a striking new exhibition hall in southern Paris, the world’s largest urban rooftop…
Part 1Read the text and answer questions 1–13. Stonehenge For centuries, historians and archaeologists have puzzled over the many mysteries of Stonehenge, a prehistoric monument that took an estimated 1,500 years to erect. Located on Salisbury Plain in southern England, it is comprised of roughly 100 massive upright stones placed in a circular layout. Archaeologists…
Part 1Read the text and answer questions 1–13. Materials to take us beyond concrete Concrete is everywhere, but it’s bad for the planet, generating large amounts of carbon dioxide – alternatives are being developed A Concrete is the second most used substance in the global economy, after water – and one of the world’s biggest…
Part 1Read the text and answer questions 1–13. Green roofs A Rooftops covered with grass, vegetable gardens and lush foliage are now a common sight in many cities around the world. More and more private companies and city authorities are investing in green roofs, drawn to their wide-ranging benefits. Among the benefits are saving on…
Part 1Read the text and answer questions 1–13. The development of the London underground railway In the first half of the 1800s, London’s population grew at an astonishing rate, and the central area became increasingly congested. In addition, the expansion of the overground railway network resulted in more and more passengers arriving in the capital….
